Question

2. A tile is a square of side 20 cm. How many such
tiles would be required to cover the floor of a
square bathroom of side 3 m ?​

Answer 1

Step-by-step explanation:

Side of the tile =20cm

Area of 1 tile =20×20 cm2

=400cm =4m

Side of bathroom = 3m

Area of Bathroom = 3×3 m =9 m

no of tiles =9/4=2.25 = only 2 tiles